Home / 1,618,007.80-2,232,835.98-892,862.20

Finding the Fourth Proportional to 1,618,007.80, 2,232,835.98 and 892,862.20

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Solution

The fourth proportional to 1,618,007.80, 2,232,835.98 and 892,862.20 is: 1,232,141.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,007.80 : 2,232,835.98 = 892,862.20 : x
  2. Step 2: Convert to fraction form
    1,618,007.80/2,232,835.98 = 892,862.20/x
  3. Step 3: Cross multiply
    1,618,007.80x = 2,232,835.98 × 892,862.20
  4. Step 4: Simplify right side
    1,618,007.80x = 1,993,614,845,341.96
  5. Step 5: Solve for x
    x = 1,993,614,845,341.96/1,618,007.80
  6. Step 6: Final answer
    x = 1,232,141.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.